diff --git a/spm/cactus/aarch64/cactus_exceptions.S b/spm/cactus/aarch64/cactus_exceptions.S
index 9b024f8..06df31c 100644
--- a/spm/cactus/aarch64/cactus_exceptions.S
+++ b/spm/cactus/aarch64/cactus_exceptions.S
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2021, Arm Limited. All rights reserved.
+ * Copyright (c) 2021-2022, Arm Limited. All rights reserved.
  *
  * SPDX-License-Identifier: BSD-3-Clause
  */
@@ -18,6 +18,15 @@
 	end_vector_entry \name
 .endm
 
+.macro interrupt_vector _type
+	sub	sp, sp, #0x100
+	save_gp_regs
+	bl	cactus_interrupt_handler_\_type
+	restore_gp_regs
+	add	sp, sp, #0x100
+	eret
+.endm
+
 vector_base cactus_vector
 
 	/*
@@ -36,11 +45,11 @@
 end_vector_entry sync_spx
 
 vector_entry irq_spx
-	b	interrupt_vector_entry
+	b	irq_vector_entry
 end_vector_entry irq_spx
 
 vector_entry fiq_spx
-	b	interrupt_vector_entry
+	b	fiq_vector_entry
 end_vector_entry fiq_spx
 
 unhandled_exception serr_spx
@@ -116,14 +125,13 @@
 	eret
 endfunc sync_exception_vector_entry
 
-func interrupt_vector_entry
-	sub	sp, sp, #0x100
-	save_gp_regs
-	bl	cactus_interrupt_handler
-	restore_gp_regs
-	add	sp, sp, #0x100
-	eret
-endfunc interrupt_vector_entry
+func irq_vector_entry
+	interrupt_vector irq
+endfunc irq_vector_entry
+
+func fiq_vector_entry
+	interrupt_vector fiq
+endfunc fiq_vector_entry
 
 func crash_dump
 	/* Save general-purpose registers on the stack. */
diff --git a/spm/cactus/cactus_interrupt.c b/spm/cactus/cactus_interrupt.c
index e08c4dd..35fdf30 100644
--- a/spm/cactus/cactus_interrupt.c
+++ b/spm/cactus/cactus_interrupt.c
@@ -21,6 +21,7 @@
 extern void notification_pending_interrupt_handler(void);
 
 extern ffa_id_t g_ffa_id;
+extern ffa_id_t g_dir_req_source_id;
 static uint32_t managed_exit_interrupt_id;
 
 /* Secure virtual interrupt that was last handled by Cactus SP. */
@@ -44,45 +45,10 @@
 	     managed_exit_interrupt_id);
 }
 
-void cactus_interrupt_handler(void)
+static void post_interrupt_handler(uint32_t intid)
 {
-	uint32_t intid = spm_interrupt_get();
 	unsigned int core_pos = get_current_core_id();
 
-	switch (intid) {
-	case MANAGED_EXIT_INTERRUPT_ID:
-		/*
-		 * A secure partition performs its housekeeping and sends a
-		 * direct response to signal interrupt completion.
-		 * This is a pure virtual interrupt, no need for deactivation.
-		 */
-		cactus_response(g_ffa_id, HYP_ID, MANAGED_EXIT_INTERRUPT_ID);
-		break;
-	case IRQ_TWDOG_INTID:
-		/*
-		 * Interrupt triggered due to Trusted watchdog timer expiry.
-		 * Clear the interrupt and stop the timer.
-		 */
-		VERBOSE("Trusted WatchDog timer stopped\n");
-		sp805_twdog_stop();
-
-		/* Perform secure interrupt de-activation. */
-		spm_interrupt_deactivate(intid);
-
-		break;
-	case NOTIFICATION_PENDING_INTERRUPT_INTID:
-		notification_pending_interrupt_handler();
-		break;
-	default:
-		/*
-		 * Currently the only source of secure interrupt is Trusted
-		 * Watchdog timer.
-		 */
-		ERROR("%s: Interrupt ID %x not handled!\n", __func__,
-			 intid);
-		panic();
-	}
-
 	last_serviced_interrupt[core_pos] = intid;
 
 	/* Invoke the tail end handler registered by the SP. */
@@ -92,3 +58,71 @@
 	}
 	spin_unlock(&sp_handler_lock[intid]);
 }
+
+void cactus_interrupt_handler_irq(void)
+{
+	uint32_t intid = spm_interrupt_get();
+
+	if (intid == managed_exit_interrupt_id) {
+		/*
+		 * A secure partition performs its housekeeping and
+		 * sends a direct response to signal interrupt
+		 * completion. This is a pure virtual interrupt, no
+		 * need for deactivation.
+		 */
+		VERBOSE("vIRQ: Sending ME response to %x\n",
+			g_dir_req_source_id);
+		cactus_response(g_ffa_id, g_dir_req_source_id,
+				managed_exit_interrupt_id);
+	} else {
+		switch (intid) {
+		case IRQ_TWDOG_INTID:
+			/*
+			 * Interrupt triggered due to Trusted watchdog timer expiry.
+			 * Clear the interrupt and stop the timer.
+			 */
+			VERBOSE("Trusted WatchDog timer stopped\n");
+			sp805_twdog_stop();
+
+			/* Perform secure interrupt de-activation. */
+			spm_interrupt_deactivate(intid);
+
+			break;
+		case NOTIFICATION_PENDING_INTERRUPT_INTID:
+			notification_pending_interrupt_handler();
+			break;
+		default:
+			ERROR("%s: Interrupt ID %x not handled!\n", __func__,
+				 intid);
+			panic();
+			break;
+		}
+	}
+	post_interrupt_handler(intid);
+}
+
+void cactus_interrupt_handler_fiq(void)
+{
+	uint32_t intid = spm_interrupt_get();
+
+	switch (intid) {
+	case MANAGED_EXIT_INTERRUPT_ID:
+		/*
+		 * A secure partition performs its housekeeping and sends a
+		 * direct response to signal interrupt completion.
+		 * This is a pure virtual interrupt, no need for deactivation.
+		 */
+		VERBOSE("vFIQ: Sending ME response to %x\n",
+			g_dir_req_source_id);
+		cactus_response(g_ffa_id, g_dir_req_source_id,
+				MANAGED_EXIT_INTERRUPT_ID);
+		break;
+	default:
+		/*
+		 * Currently only managed exit interrupt is supported by vFIQ.
+		 */
+		panic();
+		break;
+	}
+	post_interrupt_handler(intid);
+}
diff --git a/spm/cactus/cactus_tests/cactus_message_loop.c b/spm/cactus/cactus_tests/cactus_message_loop.c
index 01ea32f..e56e51e 100644
--- a/spm/cactus/cactus_tests/cactus_message_loop.c
+++ b/spm/cactus/cactus_tests/cactus_message_loop.c
@@ -31,6 +31,9 @@
 		smc_ret.arg3, smc_ret.arg4, smc_ret.arg5, 		\
 		smc_ret.arg6, smc_ret.arg7)
 
+/* Global FFA_MSG_DIRECT_REQ source ID */
+ffa_id_t g_dir_req_source_id;
+
 /**
  * Traverses command table from section ".cactus_handler", searches for a
  * registered command and invokes the respective handler.
@@ -49,6 +52,12 @@
 		return false;
 	}
 
+	/* Get the source of the Direct Request message. */
+	if (ffa_func_id(*cmd_args) == FFA_MSG_SEND_DIRECT_REQ_SMC32 ||
+	    ffa_func_id(*cmd_args) == FFA_MSG_SEND_DIRECT_REQ_SMC64) {
+		g_dir_req_source_id = ffa_dir_msg_source(*cmd_args);
+	}
+
 	PRINT_CMD((*cmd_args));
 
 	in_cmd = cactus_get_cmd(*cmd_args);
diff --git a/spm/cactus/plat/arm/fvp/fdts/cactus-tertiary.dts b/spm/cactus/plat/arm/fvp/fdts/cactus-tertiary.dts
index 856be85..b7632da 100644
--- a/spm/cactus/plat/arm/fvp/fdts/cactus-tertiary.dts
+++ b/spm/cactus/plat/arm/fvp/fdts/cactus-tertiary.dts
@@ -30,6 +30,7 @@
 	notification-support;
 	messaging-method = <3>; /* Direct messaging only */
 	managed-exit; /* Managed exit is supported */
+	managed-exit-virq;
 
 	memory-regions {
 		compatible = "arm,ffa-manifest-memory-regions";